package com.sun.controller;

import com.sun.entity.User;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

/**
 * 开发RESTful接⼝服务及单元测试
 * @author Administrator
 */
@RestController
@Api(tags = "UserController", description = "UserController | 测试swagger")
@RequestMapping(value = "/users")
public class UserController {
    // 创建线程安全的Map
    //static Map<Long, User> users = Collections.synchronizedMap(new HashMap<Long, User>());
    static Map<Long, User> users=new ConcurrentHashMap<>();

    @ApiOperation(value = "获取⽤户列表",notes = "")
    @RequestMapping(value = "/",method = RequestMethod.GET)
    public List<User> getUserList(){
        // 处理"/users/"的GET请求，⽤来获取⽤户列表
        // 还可以通过@RequestParam从⻚⾯中传递参数来进⾏查询条件或者翻⻚信息的传递
        List<User> list = new ArrayList<>(users.values());
        return list;
    }

    @ApiOperation(value="创建⽤户", notes="根据User对象创建⽤户")
    @ApiImplicitParam(name = "user",value = "⽤户详细实体user",required = true,dataType = "User")
    @RequestMapping(value = "/",method = RequestMethod.POST)
    public String postUser(@RequestBody User user){
        // 处理"/users/"的POST请求，⽤来创建User
        // 除了@ModelAttribute绑定参数之外，还可以通过@RequestParam从⻚⾯中传递参数
        users.put(user.getId(),user);
        return "success";
    }

    @ApiOperation(value="获取⽤户详细信息", notes="根据url的id来获取⽤户详细信息")
    @ApiImplicitParam(name = "id", value = "⽤户ID", required = true, dataType = "Long")
    @RequestMapping(value = "/{id}",method = RequestMethod.GET)
    public User getUser(@PathVariable Long id){
        // 处理"/users/{id}"的GET请求，⽤来获取url中id值的User信息
        // url中的id可通过@PathVariable绑定到函数的参数中
        return users.get(id);
    }

    @ApiOperation(value="更新⽤户详细信息", notes="根据url的id来指定更新对象，并根据传过来的 user信息来更新⽤户详细信息")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "id", value = "⽤户ID", required = true, dataType = "Long"),
            @ApiImplicitParam(name = "user", value = "⽤户详细实体user", required = true, dataType = "User")})
    @RequestMapping(value="/{id}", method=RequestMethod.PUT)
    public String putUser(@PathVariable Long id, @RequestBody User user) {
        // 处理"/users/{id}"的PUT请求，⽤来更新User信息
        User u = users.get(id);
        u.setName(user.getName());
        u.setAge(user.getAge());
        users.put(id, u);
        return "success";
    }
    @ApiOperation(value="删除⽤户", notes="根据url的id来指定删除对象")
    @ApiImplicitParam(name = "id", value = "⽤户ID", required = true, dataType = "Long")
    @RequestMapping(value="/{id}", method=RequestMethod.DELETE)
    public String deleteUser(@PathVariable Long id) {
        // 处理"/users/{id}"的DELETE请求，⽤来删除User
        users.remove(id);
        return "success";
    }

}
